BettingJobs is working with a fast-growing sports betting technology business to recruit a Senior Software Engineer for its Trading Technology team. You'll build the backend engines behind real-time trading, risk management and core platform services — systems where low latency, high throughput and reliability are critical — as well as the React front-ends that surface them. This is a role with genuine ownership: open-ended technical challenges, a real say in architectural decisions, and the scope to shape team practices rather than work through predefined tickets. It will suit an experienced .
NET engineer who enjoys distributed systems at scale and is equally comfortable delivering polished, real-time user interfaces.

Responsibilities:
- Design, develop and maintain efficient, reliable backend systems in Microsoft .
NET
- Build responsive React and TypeScript front-ends surfacing live trading and risk data
- Integrate with message brokers (RabbitMQ), caching (Redis) and relational databases
- Deploy and operate services using modern CI/CD, containerisation and cloud-native practices
- Diagnose and resolve production issues using alerts,



dashboards and log analysis
- Provide technical leadership and mentorship to intermediate and junior developers
- Contribute to code and design reviews, and write and maintain automated tests

Requirements:
- Degree or diploma in Computer Science or a related field
- 5+ years' qualified software development experience in Microsoft .
NET
- 2+ years' front-end experience with a modern framework (React preferred; Angular or Vue also valued) and strong TypeScript proficiency
- Experience designing highly scalable, high-performance distributed systems
- Strong analytical and problem-solving skills, with the drive to work independently in a fast-paced environment Desirable:
- Message-oriented middleware (RabbitMQ, Kafka), Redis, Kubernetes
- Cloud platforms (Azure preferred, AWS also valued)
- REST APIs, gRPC, WebSockets or SSE; observability tooling such as OpenTelemetry
- Write-heavy real-time UIs — optimistic updates, concurrency and conflict resolution

📌 Senior Software Engineer (Toronto)
🏢 BettingJobs
📍 Toronto